On Wed, May 23, 2018 at 11:04:30AM +0800, Fam Zheng wrote: > The two callbacks are implemented quite similarly to the read/write > functions: bdrv_co_copy_range_from maps for read and calls into bs->file > or bs->backing depending on the allocation status; bdrv_co_copy_range_to > maps for write and calls into bs->file. > > Signed-off-by: Fam Zheng <f...@redhat.com> > --- > block/qcow2.c | 226 > ++++++++++++++++++++++++++++++++++++++++++++++++++-------- > 1 file changed, 196 insertions(+), 30 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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